Frequently Bought Together
NIA S4000 BLUETOOTH HEADSET -
Detail: Specification Function Wireless And Wired Connection, Support TF Card/FM Radio Play ,APP Controlling Audio Interface 3.5MM Frequency 20Hz-20KHz Impedance 32? Driver Unit 40MM HD Driver Unit Standby Time 200Hours Charging Time 2 Hours Working Time 6-8 Hours Battery 250mAh Transmission Distance 10M